<!--用户列表页-->
<template>
  <div style="height: 6vh;padding: 10px 20px;background-color: #fff;">
    <span style="line-height: 60px;font-size: 20px;">用户管理</span>
<!--  绑定点击按钮，出现弹窗  -->
    <el-button type="primary" @click="beforeAddUser"
    style="float: right;margin-top: 10px;" >新建用户</el-button>
  </div>
<!-- 新建用户弹窗
:before-close="handleClose" 在弹窗关闭之前调用此定义函数
这样避免点击弹窗外部也能将弹窗关闭的问题
-->
  <el-dialog
      :title="dialogTitle"
      style="width: 1000px;padding: 40px;"
      v-model="dialogVisible"
      :before-close="handleClose"
  >
<!--  表单  -->
    <el-form label-width="80px" label-position="top">
      <!-- 第一行   -->
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input  placeholder="请输入用户名" v-model="saveUserForm.username"
                       :disabled="saveUserForm.id!=null"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
<!--   第二行   -->
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input  placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="6">
          <el-form-item label="职级" >
            <el-select placeholder="请选择"
                       v-model="saveUserForm.level" @change="loadLeader">
<!--              <el-option label="职员" value="10"></el-option>-->
<!--              <el-option label="经理" value="20"></el-option>-->
<!--              <el-option label="总监" value="30"></el-option>-->
<!--              <el-option label="总裁" value="40"></el-option>-->
              <el-option v-for="item in levelOptions"
                          :label="item.label" :value="item.value"></el-option>
            </el-select>
          </el-form-item>
        </el-col>

        <el-col :span="6">
          <el-form-item label="直属领导" >
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions"
                         :label="item.username" :value="item.id"></el-option>
            </el-select>
          </el-form-item>
        </el-col>

        <el-col :span="4">
          <el-form-item label="性别" >
            <el-radio-group v-model="saveUserForm.gender">
              <!-- margin:防止掉块-->
              <el-radio border label="男" value="1" style="margin: 0"></el-radio>
              <el-radio border label="女" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="用户状态" >
            <el-radio-group v-model="saveUserForm.status">
              <!-- margin:防止掉块-->
              <el-radio border label="启用" value="1" style="margin: 0"></el-radio>
              <el-radio border label="禁用" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
<!-- 取消，保存   -->
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>

<!--  用户搜索卡片-->
  <el-card style="margin: 20px;height: 70px">
    <el-form :inline="true">
          <el-form-item label="用户名搜索">
            <el-input placeholder="请输入用户名" style="width: 220px"
                      v-model="searchUserFrom.username"
                      @keydown.enter="loadUser"></el-input>
          </el-form-item>

          <el-form-item label="用户状态" style="width: 290px">
            <el-select placeholder="请选择用户状态"
                       v-model="searchUserFrom.status"
                       @change="loadUser">
              <el-option label="启用" value="1">启用</el-option>
              <el-option label="禁用" value="0">禁用</el-option>
            </el-select>
          </el-form-item>

          <el-form-item>
              <el-button @click="resetSearch">重置</el-button>
              <el-button type="primary" @click="loadUser">查询</el-button>
          </el-form-item>
    </el-form>
  </el-card>
<!-- 用户数据表格卡片 -->
  <el-card style="margin: 20px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="编号" width="80" align="center"></el-table-column>
      <el-table-column label="用户名" prop="username" align="center"></el-table-column>
      <el-table-column label="手机号" prop="phone" align="center"></el-table-column>
      <el-table-column label="加入时间" prop="createTime" align="center"></el-table-column>
      <el-table-column label="用户状态" prop="status" align="center">
        <template #default="scope"><!--表格内容添加非文字内容的自定义列-->
          <el-switch active-value="1" inactive-value="0"
                     @change="changeStatus(scope.row.id , scope.row.status)"
                     v-model="scope.row.status" :disabled="scope.row.level==40"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope"><!--scope.row.id:获取当前行的数据id-->
          <el-button type="primary" link :disabled="scope.row.level==40"
                     @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button type="primary" link
                     :disabled="scope.row.level==40"
                     @click="editUser(scope.row.id)">编辑</el-button>
          <el-button type="primary" link
                     :disabled="scope.row.level==40"
                     @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
     </el-table>
  </el-card>
</template>


<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import qs from "qs";
//定义变量控制弹窗是否出现
const dialogVisible = ref(false)
//定义变量用来控制弹窗的标题
const dialogTitle =ref('新建用户');

//定义数组来维护员工职级的选项
const levelOptions = ref([
    {value: "10", label: "员工"},
    {value: "20",label: "经理"},
    {value: "30",label: "总监"},
    {value: "40",label: "总裁"},
]);
//定义数组来维护员工直属领导的选项
const leaderOptions = ref([
    {id: "101", username: "AA"},
    {id: "102",username: "BB"},
]);
//定义对象用来保存表单中的员工数据
const saveUserForm = ref({
  username:'',
  phone:'',
  email:'',
  age:'',
  level:'',
  parentId:'',
  gender:'',
  status:'',
});
//点击 新建用户按钮 除弹窗+修改弹窗标题
const beforeAddUser = ()=>{
  dialogVisible.value=true;/*弹窗出现*/
  dialogTitle.value='新增用户';
}

//点击弹窗中的“保存用户按钮”=》新增+更新用户
const saveUser = () => {
   //console.log(saveUserForm.value);
   let data = qs.stringify(saveUserForm.value)//将对象转换为字符串 装npm install qs
  //username=ds&phone=sdfa&email=sdfa&age=12&level=10&parentId=101&gender=0&status=0
  console.log(data);
  axios.post(BASE_URL+'/v1/user/save', data)
      .then((response) =>{
        if (response.data.code == 2000){
          ElMessage.success("保存成功");
          dialogVisible.value = false;//用户确认关闭后，关闭弹窗
          saveUserForm.value = {};//清空已经输入的表单数据
          // 重新加载数据
          loadUser();
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}
//处理弹窗关闭的方法
const handleClose = ()=>{
  if (confirm('确认要关闭此窗口吗')){
    dialogVisible.value = false;//用户确认关闭后，关闭弹窗
    saveUserForm.value = {};//清空已经输入的表单数据
  }
}

//定义对象来保存用户查询的条件
const searchUserFrom = ref({username:'',status:''});
//定义对象保存查询到的用户表格数据：
const userArr = ref([]);
//定义加载列表用户的方法
const loadUser = ()=>{
  let data = qs.stringify(searchUserFrom.value);
  //如果有查询条件，就根据条件查询，没有条件默认查询全部数据
  axios.get(BASE_URL+'/v1/user/select?'+data)
      .then((response)=>{//回调函数，处理响应式数据
        if (response.data.code==2000){//后端返回的状态码是2000说明成功了
          userArr.value=response.data.data;//把请求回来的数据装到绑定表格的数组中
          console.log(userArr.value);
        }else {
          ElMessage.error(response.data.msg);
        }
      })
};
//重置搜索
const resetSearch =()=>{
  //清空之前的搜索条件
  searchUserFrom.value={}
  //清空后重新加载数据
  loadUser();
}
//刚打开时页面一加载
onMounted(()=>{
  loadUser();
})

//定义方法，获取直属领导数据
const loadLeader = ()=>{
  //优化：如果已经勾选了直属领导，在想重新选择职级的话，需要将之前的领导数组与已选的直属领导都清空
  leaderOptions.value = [];
  saveUserForm.value.parentId = '';
  //拿到当前用户选择的职级，直属领导的职级为当前用户职级+10，注意转为Number类型
  let level = parseInt(saveUserForm.value.level)+10;
  //给后端发送请求，获取直属领导数据
  axios.get(BASE_URL+'/v1/user/select?level='+level)
      .then((response)=>{
        if (response.data.code==2000){
          leaderOptions.value=response.data.data;//查出来的直属领导的数据存放到 员工直属领导的选项
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}

//定义重置密码的方法： restful风格
const resetPassword =(userId)=>{
  axios.post(BASE_URL+'/v1/user/update/password/'+userId)
      .then((response)=>{
        if (response.data.code == 2000){
          ElMessage.success('密码重置成功!');
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}


//编辑： 点击用户表格的编辑按钮，出现弹窗+修改弹窗标题
//定义编辑员工的方法：
const editUser = (id)=>{
  //让弹窗出现：
  dialogVisible.value=true;
  //修改弹窗的标题
  dialogTitle.value='编辑用户';
  // TODO 根据id查询用户信心并回显在弹窗的表单中
  axios.get(BASE_URL+'/v1/user/select?id='+id)
      .then((response)=>{
        if (response.data.code==2000){
          //注意：后端返回的是list<UserVO>，所以查一条数据的话拿的是集合的第一个元素data【0】
          saveUserForm.value=response.data.data[0];
          //获取可选直属领导有哪些人
          let level = parseInt(saveUserForm.value.level)+10;
          //给后端发送请求，获取直属领导数据
          axios.get(BASE_URL+'/v1/user/select?level='+level)
              .then((response)=>{
                if (response.data.code==2000){
                  leaderOptions.value=response.data.data;//查出来的直属领导的数据存放到 员工直属领导的选项
                }else {
                  ElMessage.error(response.data.msg);
                }
              })
        }else {
          ElMessage.error(response.data.msg);
        }
      });
}
//修改员工状态
const changeStatus  = (userId ,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status)
      .then((response)=>{
        if (response.data.code==2000){
        ElMessage.success('状态修改成功');
        }else {
          ElMessage.error(response.data.msg);
        }
      })
}

//删除：
const deleteUser = (id)=>{
  if (confirm('确认要删除吗？')){
    axios.post(BASE_URL+'/v1/user/delete/'+id)
        .then((response)=>{
          if (response.data.code==2000){
            ElMessage.success('删除成功');
            loadUser();//删除成功后重新加载数据
          }else {
            ElMessage.error(response.data.msg);
          }
        })
  }
}
</script>


<style scoped>

</style>